HTML for a simple form in HTML5 and CSS3

simple-form-skeleton.html

<div class="wrap">
<h2>Staff Details</h2>

<form method="post" action="options.php">
    <?php settings_fields( 'my-plugin-settings-group' ); ?>
    <?php do_settings_sections( 'my-plugin-settings-group' ); ?>
    <table class="form-table">
        <tr valign="top">
        <th scope="row">Accountant Name</th>
        <td><input type="text" name="accountant_name" value="<?php echo esc_attr( get_option('accountant_name') ); ?>" /></td>
        </tr>
         
        <tr valign="top">
        <th scope="row">Accountant Phone Number</th>
        <td><input type="text" name="accountant_phone" value="<?php echo esc_attr( get_option('accountant_phone') ); ?>" /></td>
        </tr>
        
        <tr valign="top">
        <th scope="row">Accountant Email</th>
        <td><input type="text" name="accountant_email" value="<?php echo esc_attr( get_option('accountant_email') ); ?>" /></td>
        </tr>
    </table>
    
    <?php submit_button(); ?>

</form>
</div>